G03G 15/051
By modulating an ion flow through a photoconductive screen onto which a
Official title: {by modulating an ion flow through a photoconductive screen onto which a charge image has been formed}
G03G15/051 (By modulating an ion flow through a photoconductive screen onto which a) appears on 95 US grants and 7 published applications in this corpus.
Search patents in G03G- Granted patents
- 95
- Published applications
- 7
- Assignees
- 20
- Inventors
- 101
- Latest grant
- 24 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 12 | 0 |
| 1978 | 12 | 0 |
| 1979 | 14 | 0 |
| 1980 | 5 | 0 |
| 1981 | 14 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Image forming apparatus with repositionable shutter assembly24 Dec 2024US 12,174,554 B2Toshiba Tec Kabushiki Kaisha
- Image forming apparatus with exposure device including shutter that moves in response to movement of a light source24 Jan 2023US 11,561,484 B1Toshiba Tec Kabushiki Kaisha
- Electrophotographic image forming apparatus18 Feb 2020US 10,564,565 B1Fuji Xerox Co., Ltd.
- Image forming apparatus25 Dec 2018US 10,162,283 B2Ricoh Company, Ltd.
- Low profile light scanning device and image forming apparatus therewith19 Apr 2016US 9,316,995 B2KYOCERA Document Solutions Inc.
- Image forming apparatus and non-transitory computer readable medium27 Mar 2025US 2025/0102948 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus27 Apr 2023US 2023/0126318 A1Toshiba Tec Kabushiki Kaisha
- Opposing-member capacitance detection method and image forming apparatus9 Apr 2020US 2020/0110353 A1Konica Minolta, Inc.
- Electrophotographic image forming apparatus27 Feb 2020US 2020/0064753 A1Fuji Xerox Co., Ltd.
- Image forming apparatus and image forming method14 Feb 2019US 2019/0049884 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Method and apparatus for automatic "two-up" copying with intermediate latent image copiers30US 4,814,822 AXerox Corporation · 1989
- Electrophotographic copying machine26US 3,936,184 ACanon Kabushiki Kaisha · 1976
- Air flow line system for image forming apparatus22US 4,154,521 ACanon Kabushiki Kaisha · 1979
- Mechanism for mounting and dismounting a screen-like photosensitive medium21US 4,344,700 ACanon Kabushiki Kaisha · 1982
- Method and apparatus for electrophotography18US 4,046,466 ACanon Kabushiki Kaisha · 1977